Line data Source code
1 : /* Selftests for typed-splay-tree.h.
2 : Copyright (C) 2016-2026 Free Software Foundation, Inc.
3 :
4 : This file is part of GCC.
5 :
6 : GCC is free software; you can redistribute it and/or modify it under
7 : the terms of the GNU General Public License as published by the Free
8 : Software Foundation; either version 3, or (at your option) any later
9 : version.
10 :
11 : GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12 : WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 : FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 : for more details.
15 :
16 : You should have received a copy of the GNU General Public License
17 : along with GCC; see the file COPYING3. If not see
18 : <http://www.gnu.org/licenses/>. */
19 :
20 : #include "config.h"
21 : #include "system.h"
22 : #include "coretypes.h"
23 : #include "typed-splay-tree.h"
24 : #include "selftest.h"
25 :
26 : #if CHECKING_P
27 :
28 : namespace selftest {
29 :
30 : /* Callback for use by test_str_to_int. */
31 :
32 : static int
33 12 : append_cb (const char *, int value, void *user_data)
34 : {
35 12 : auto_vec <int> *vec = (auto_vec <int> *)user_data;
36 12 : vec->safe_push (value);
37 12 : return 0;
38 : }
39 :
40 : /* Test of typed_splay_tree <const char *, int>. */
41 :
42 : static void
43 4 : test_str_to_int ()
44 : {
45 4 : typed_splay_tree <const char *, int> t (strcmp, NULL, NULL);
46 :
47 4 : t.insert ("a", 1);
48 4 : t.insert ("b", 2);
49 4 : t.insert ("c", 3);
50 4 : t.insert ("d", 4);
51 :
52 4 : t.remove ("d");
53 :
54 8 : ASSERT_EQ (1, t.lookup ("a"));
55 8 : ASSERT_EQ (2, t.lookup ("b"));
56 8 : ASSERT_EQ (3, t.lookup ("c"));
57 :
58 8 : ASSERT_EQ (2, t.predecessor ("c"));
59 8 : ASSERT_EQ (3, t.successor ("b"));
60 8 : ASSERT_EQ (1, t.min ());
61 8 : ASSERT_EQ (3, t.max ());
62 :
63 : /* Test foreach by appending to a vec, and verifying the vec. */
64 4 : auto_vec <int> v;
65 4 : t.foreach (append_cb, &v);
66 4 : ASSERT_EQ (3, v.length ());
67 4 : ASSERT_EQ (1, v[0]);
68 4 : ASSERT_EQ (2, v[1]);
69 4 : ASSERT_EQ (3, v[2]);
70 4 : }
71 :
72 : /* Run all of the selftests within this file. */
73 :
74 : void
75 4 : typed_splay_tree_cc_tests ()
76 : {
77 4 : test_str_to_int ();
78 4 : }
79 :
80 : } // namespace selftest
81 :
82 : #endif /* #if CHECKING_P */
|